| 发明名称 |
PROCESS FOR THE PREPARATION OF A PROPYLENE GLYCOL ANTIFREEZE CONTAINING AN ALKALI METAL SILICATE |
| 摘要 |
The preparation of propylene glycol compositions containing alkali metal silicates having improved gel resistance is provided by forming a silicate p remix having effective amounts of inorganic base compound(s) and water. The silicate pre mix is then added to the propylene glycol.
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| 申请公布号 |
CA2183220(C) |
申请公布日期 |
2001.06.12 |
| 申请号 |
CA19962183220 |
申请日期 |
1996.08.13 |
| 申请人 |
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发明人 |
WEIR, THOMAS W. |
| 分类号 |
C09K3/00;C09K5/08;C09K5/20;C23F11/12;C23F11/14;C23F11/16;C23F11/18;(IPC1-7):C09K5/00 |
主分类号 |
C09K3/00 |
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